MPI-AMRVAC 3.2
The MPI - Adaptive Mesh Refinement - Versatile Advection Code (development version)
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Variables
mod_constants Module Reference

Module for physical and numeric constants. More...

Variables

double precision, parameter smalldouble = 1.D-12
 
double precision, parameter bigdouble = 1.D+99
 A very large real number.
 
double precision, parameter zero = 0.0d0
 some frequently used numbers
 
double precision, parameter one = 1.0d0
 
double precision, parameter two = 2.0d0
 
double precision, parameter half = 0.5d0
 
double precision, parameter quarter = 0.25d0
 
double precision, parameter third = 1.d0/3.0d0
 
double precision, parameter dpi =3.141592653589793238462643383279502884197169399375105d0
 Pi.
 
double precision, parameter mp_cgs = 1.672621777d-24
 Proton mass in cgs.
 
double precision, parameter mh_cgs = 1.6733D-24
 Hydrogen mass in cgs.
 
double precision, parameter kb_cgs = 1.3806488d-16
 Boltzmann constant in cgs.
 
double precision, parameter sigma_sb_cgs = 5.670374419d-5
 Stefan Boltzmann constant in cgs from (2 pi^5 kB^4)/(15 c^2 h^3)
 
double precision, parameter sigma_te_cgs = 6.6524587051d-25
 electron Thomson scattering cross-section in cgs from (8 pi/3) [alfa_FS * h/(2 pi me c)]^2
 
double precision, parameter sigma_sb_si = 5.670374419d-8
 Stefan Boltzmann constant in SI (2 pi^5 kB^4)/(15 c^2 h^3)
 
double precision, parameter sigma_te_si = 6.6524587051d-29
 electron Thomson scattering cross-section in SI from (8 pi/3) [alfa_FS * h/(2 pi me c)]^2
 
double precision, parameter mp_si = 1.672621777d-27
 Proton mass in SI.
 
double precision, parameter kb_si = 1.3806488d-23
 Boltzmann constant in SI.
 
double precision, parameter miu0_si = 1.2566370614d-6
 Permeability in SI.
 
double precision, parameter c_si = 2.99792458d8
 Speed of light in SI.
 
double precision, parameter const_c = 2.99792458d10
 universal constants as specified in cgs units
 
double precision, parameter const_me = 9.1093897d-28
 
double precision, parameter const_mp = 1.672621777d-24
 
double precision, parameter const_e = 4.8032068d-10
 
double precision, parameter const_lsun = 3.828d33
 
double precision, parameter const_msun = 1.98892d33
 
double precision, parameter const_rsun = 6.9570d10
 
double precision, parameter const_kb = 1.3806488d-16
 
double precision, parameter const_h = 6.6260755d-27
 
double precision, parameter const_pc = 3.08567758128d18
 
double precision, parameter const_g = 6.67191d-8
 
double precision, parameter const_sigma = 5.670367d-5
 
double precision, parameter const_ev = 1.6021772d-12
 
double precision, parameter const_tera = 1.d12
 
double precision, parameter const_peta = 1.d15
 
double precision, parameter const_years = 3.1536d7
 
integer, parameter biginteger = 10000000
 A very large integer.
 

Detailed Description

Module for physical and numeric constants.

Variable Documentation

◆ bigdouble

double precision, parameter mod_constants::bigdouble = 1.D+99

A very large real number.

Definition at line 11 of file mod_constants.t.

◆ biginteger

integer, parameter mod_constants::biginteger = 10000000

A very large integer.

Definition at line 78 of file mod_constants.t.

◆ c_si

double precision, parameter mod_constants::c_si = 2.99792458d8

Speed of light in SI.

Definition at line 55 of file mod_constants.t.

◆ const_c

double precision, parameter mod_constants::const_c = 2.99792458d10

universal constants as specified in cgs units

Definition at line 58 of file mod_constants.t.

◆ const_e

double precision, parameter mod_constants::const_e = 4.8032068d-10

Definition at line 61 of file mod_constants.t.

◆ const_ev

double precision, parameter mod_constants::const_ev = 1.6021772d-12

Definition at line 72 of file mod_constants.t.

◆ const_g

double precision, parameter mod_constants::const_g = 6.67191d-8

Definition at line 68 of file mod_constants.t.

◆ const_h

double precision, parameter mod_constants::const_h = 6.6260755d-27

Definition at line 66 of file mod_constants.t.

◆ const_kb

double precision, parameter mod_constants::const_kb = 1.3806488d-16

Definition at line 65 of file mod_constants.t.

◆ const_lsun

double precision, parameter mod_constants::const_lsun = 3.828d33

Definition at line 62 of file mod_constants.t.

◆ const_me

double precision, parameter mod_constants::const_me = 9.1093897d-28

Definition at line 59 of file mod_constants.t.

◆ const_mp

double precision, parameter mod_constants::const_mp = 1.672621777d-24

Definition at line 60 of file mod_constants.t.

◆ const_msun

double precision, parameter mod_constants::const_msun = 1.98892d33

Definition at line 63 of file mod_constants.t.

◆ const_pc

double precision, parameter mod_constants::const_pc = 3.08567758128d18

Definition at line 67 of file mod_constants.t.

◆ const_peta

double precision, parameter mod_constants::const_peta = 1.d15

Definition at line 74 of file mod_constants.t.

◆ const_rsun

double precision, parameter mod_constants::const_rsun = 6.9570d10

Definition at line 64 of file mod_constants.t.

◆ const_sigma

double precision, parameter mod_constants::const_sigma = 5.670367d-5

Definition at line 69 of file mod_constants.t.

◆ const_tera

double precision, parameter mod_constants::const_tera = 1.d12

Definition at line 73 of file mod_constants.t.

◆ const_years

double precision, parameter mod_constants::const_years = 3.1536d7

Definition at line 75 of file mod_constants.t.

◆ dpi

double precision, parameter mod_constants::dpi =3.141592653589793238462643383279502884197169399375105d0

Pi.

Definition at line 22 of file mod_constants.t.

◆ half

double precision, parameter mod_constants::half = 0.5d0

Definition at line 17 of file mod_constants.t.

◆ kb_cgs

double precision, parameter mod_constants::kb_cgs = 1.3806488d-16

Boltzmann constant in cgs.

Definition at line 31 of file mod_constants.t.

◆ kb_si

double precision, parameter mod_constants::kb_si = 1.3806488d-23

Boltzmann constant in SI.

Definition at line 49 of file mod_constants.t.

◆ mh_cgs

double precision, parameter mod_constants::mh_cgs = 1.6733D-24

Hydrogen mass in cgs.

Definition at line 28 of file mod_constants.t.

◆ miu0_si

double precision, parameter mod_constants::miu0_si = 1.2566370614d-6

Permeability in SI.

Definition at line 52 of file mod_constants.t.

◆ mp_cgs

double precision, parameter mod_constants::mp_cgs = 1.672621777d-24

Proton mass in cgs.

Definition at line 25 of file mod_constants.t.

◆ mp_si

double precision, parameter mod_constants::mp_si = 1.672621777d-27

Proton mass in SI.

Definition at line 46 of file mod_constants.t.

◆ one

double precision, parameter mod_constants::one = 1.0d0

Definition at line 15 of file mod_constants.t.

◆ quarter

double precision, parameter mod_constants::quarter = 0.25d0

Definition at line 18 of file mod_constants.t.

◆ sigma_sb_cgs

double precision, parameter mod_constants::sigma_sb_cgs = 5.670374419d-5

Stefan Boltzmann constant in cgs from (2 pi^5 kB^4)/(15 c^2 h^3)

Definition at line 34 of file mod_constants.t.

◆ sigma_sb_si

double precision, parameter mod_constants::sigma_sb_si = 5.670374419d-8

Stefan Boltzmann constant in SI (2 pi^5 kB^4)/(15 c^2 h^3)

Definition at line 40 of file mod_constants.t.

◆ sigma_te_cgs

double precision, parameter mod_constants::sigma_te_cgs = 6.6524587051d-25

electron Thomson scattering cross-section in cgs from (8 pi/3) [alfa_FS * h/(2 pi me c)]^2

Definition at line 37 of file mod_constants.t.

◆ sigma_te_si

double precision, parameter mod_constants::sigma_te_si = 6.6524587051d-29

electron Thomson scattering cross-section in SI from (8 pi/3) [alfa_FS * h/(2 pi me c)]^2

Definition at line 43 of file mod_constants.t.

◆ smalldouble

double precision, parameter mod_constants::smalldouble = 1.D-12

Definition at line 8 of file mod_constants.t.

◆ third

double precision, parameter mod_constants::third = 1.d0/3.0d0

Definition at line 19 of file mod_constants.t.

◆ two

double precision, parameter mod_constants::two = 2.0d0

Definition at line 16 of file mod_constants.t.

◆ zero

double precision, parameter mod_constants::zero = 0.0d0

some frequently used numbers

Definition at line 14 of file mod_constants.t.

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